Killer Mike and El-P have been in the studio grinding over the follow-up to last year’s excellent collaborative album Run The Jewels, but it seems that they’re not working alone. Based on the photos below, Rage Against the Machine’s Zack de la Rocha and Blink 182’s Travis Barker, as well as Definitive Jux affiliate Yak Ballz, will also have a hand in the pending album.